Showing 2005Show all

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quant-ph2005★ 10 cited

Quasi multipartite entanglement measure based on quadratic functions

Jing Zhang, Chun-Wen Li, Re-Bing Wu +2

We develop a new entanglement measure by extending Jaeger's Minkowskian norm entanglement measure. This measure can be applied to a much wider class of multipartite mixed states, a…

cond-mat.mtrl-sci2005

Modulating transmission properties of nanoscale transistors by dipole effects near contacts

Li Yang, Jian Wu, Wenhui Duan +1

We theoretically demonstrate that a dipole layer on the electrode can modulate the transmission properties of nanoscale devices by influencing the contact properties, through first…

astro-ph2005★ 31 cited

Optical Photometry of Type II-P Supernova 2004dj in NGC 2403

Tianmeng Zhang, Xiaofeng Wang, Weidong Li +4

We present photometric data of the type II-P supernova (SN) 2004dj in NGC 2403. The multicolor light curves cover the SN from 60 to 200 days after explosion, and are measure…

cond-mat.mtrl-sci2005

Selective adsorption of first-row atoms on boron nitride nanotubes: the effect of localized states

Jia Li, Gang Zhou, Haitao Liu +1

First-principles calculations reveal that the adsorption of representative first-row atoms with different electronegativity, such as lithium (Li), carbon (C) and fluorine (F), on z…

hep-ph2005★ 21 cited

Anomalous gauge couplings of the Higgs boson at high energy photon colliders

Tao Han, Yu-Ping Kuang, Bin Zhang

We study the sensitivity of testing the anomalous gauge couplings 's of the Higgs boson in the formulation of linearly realized gauge symmetry via the processes …

hep-ex2005★ 17 cited

Improved Measurement of the b-bbar Production Cross Section in 920 GeV Fixed-Target Proton-Nucleus Collisions

B Collaboration, I. Abt

A new measurement of the b-bbar production cross section in 920 GeV proton-nucleus collisions is presented by the HERA-B collaboration. The b-bbar production is tagged via inclusiv…

hep-ex2005★ 22 cited

Measurement of the J/Psi Production Cross Section in 920 GeV/c Fixed-Target Proton-Nucleus Interactions

B collaboration

The mid-rapidity (dsigma_(pN)/dy at y=0) and total sigma_(pN) production cross sections of J/Psi mesons are measured in proton-nucleus interactions. Data collected by the HERA-B ex…

hep-ph2005★ 233 cited

Supersymmetry Parameter Analysis: SPA Convention and Project

J. A. Aguilar-Saavedra, A. Ali, B. C. Allanach +122

High-precision analyses of supersymmetry parameters aim at reconstructing the fundamental supersymmetric theory and its breaking mechanism. A well defined theoretical framework is…

quant-ph2005★ 36 cited

A modified quantum adiabatic evolution for the Deutsch-Jozsa problem

Zhaohui Wei, Mingsheng Ying

Deutsch-Jozsa algorithm has been implemented via a quantum adiabatic evolution by S. Das et al. [Phys. Rev. A 65, 062310 (2002)]. This adiabatic algorithm gives rise to a quadratic…

quant-ph2005★ 29 cited

Speedup of quantum state transfer by three- qubit interactions: Implementation by nuclear magnetic resonance

Jingfu Zhang, Xinhua Peng, Dieter Suter

Universal quantum information processing requires single-qubit rotations and two-qubit interactions as minimal resources. A possible step beyond this minimal scheme is the use of t…

quant-ph2005★ 111 cited

Unambiguous discrimination among quantum operations

Guoming Wang, Mingsheng Ying

We address the problem of unambiguous discrimination among a given set of quantum operations. The necessary and sufficient condition for them to be unambiguously distinguishable is…

quant-ph2005★ 265 cited

The General Quantum Interference Principle and the Duality Computer

Gui Lu Long

In this article, we propose a general principle of quantum interference for quantum system, and based on this we propose a new type of computing machine, the duality computer, that…

quant-ph2005★ 24 cited

Optimal universal programmable detectors for unambiguous discrimination

Chi Zhang, Mingsheng Ying, Bo Qiao

We discuss the problem of designing unambiguous programmable discriminators for any n unknown quantum states in an m-dimensional Hilbert space. The discriminator is a fixed measure…

quant-ph2005★ 12 cited

On Series of Multiqubit Bell's Inequalities

Tomasz Paterek, Wieslaw Laskowski, Marek Zukowski

We overview series of multiqubit Bell's inequalities which apply to correlation functions. We present conditions that quantum states must satisfy to violate such inequalities.

hep-ph2005★ 3 cited

Implications for new physics from and

Jian-Feng Cheng, Yuan-Ning Gao, Chao-Shang Huang +1

We have analyzed the puzzle in three kinds of models beyond the standard model (SM). It is shown that the minimal flavor violation (MFV) models, the minimal…

hep-ex2005★ 8 cited

Experimental study of decays to $\K^+ K^- π^+ π^- π^0$ final states

M. Ablikim, BES Collaboration

final states are studied using a sample of decays collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Position Collider…

cond-mat.mes-hall2005★ 1 cited

Phonon Dispersion in Chiral Single Wall Carbon Nanotubes

Weihua Mu, Anthony Nickolas Vamivakas, Zhong-can Ou-Yang

The phonon dispersion of chiral single wall carbon nanotubes has been obtained from dyanimic matrix. The present manuscript is the extension of G. D. Mahan and Gun Sang…

cond-mat.supr-con2005★ 20 cited

Theory of Raman scattering on electron-doped high- superconductor

C. S. Liu, H. G. Luo, W. C. Wu +1

We have analyzed the and Raman spectra of electron-doped cuprate superconductors NdCeCuO and PrCeCuO using a weakly coupled tw…

cond-mat.supr-con2005★ 3 cited

Diagonalizing the Hamiltonian of capacitively coupled superconducting phase qubits

Tao Wu, Zheng Li, Jianshe Liu

Coupling qubits together towards large-scale integration is a key point for realizing a quantum computer. We study the capacitively coupled superconducting phase qubits using two d…

nucl-ex2005★ 22 cited

Measurement of the Intrinsic Radiopurity of Cs-137/U-235/U-238/Th-232 in CsI(Tl) Crystal Scintillators

Y. F. Zhu, TEXONO Collaboration

The inorganic crystal scintillator CsI(Tl) has been used for low energy neutrino and Dark Matter experiments, where the intrinsic radiopurity is an issue of major importance. Low-b…

cond-mat.mtrl-sci2005★ 5 cited

Symmetry restrictions in chirality dependence of physical properties of single wall nanotubes

Fei Ye, Bing-Shen Wang, Zhao-Bin Su

We investigate the chirality dependence of physical properties of nanotubes which are wrapped by the planar hexagonal lattice including graphite and boron nitride sheet, and reveal…

astro-ph2005★ 9 cited

Cross-Correlation analysis of WMAP and EGRET in Wavelet Space

Xin Liu, Shuang Nan Zhang

We cross correlate the Wilkinson Microwave Anisotropy Probe (WMAP) first year data and the diffuse gamma-ray intensity maps from the Energetic Gamma Ray Experiment Telescope (EGRET…

cond-mat.other2005★ 2 cited

Field-Induced Insulator to Semimetal Transition and Field Electron Emission of Nanorods of Semiconductors of Wide Energy Band Gaps

Zhibing Li, Weiliang Wang, Shaozhi Deng +2

Significant field emission is found theoretically possible from nanorods of semiconductors of wide energy band gaps. If the nanorod has a thin surface layer containing a large numb…

nucl-ex2005★ 46 cited

Multiplicity and Pseudorapidity Distributions of Charged Particles and Photons at Forward Pseudorapidity in Au + Au Collisions at sqrt{s_NN} = 62.4 GeV

STAR Collaboration

We present the centrality dependent measurement of multiplicity and pseudorapidity distributions of charged particles and photons in Au + Au collisions at sqrt{s_NN} = 62.4 GeV. Th…